#include "apue.h"
#include <pthread.h>

void *thr_fn1(void *arg) {
    printf("thread 1 returning\n");
    return ((void *)1);
}
void *thr_fn2(void *arg) {
    printf("thread 2 exiting\n");
    pthread_exit((void *)2);
}

int main(void) {
    int err;    
    pthread_t tid1, tid2;
    void *tret;
    
    if ((err= pthread_create(&tid1, NULL, thr_fn1, NULL)))
        err_exit(err, "can't create thread 1");
    if ((err= pthread_create(&tid2, NULL, thr_fn2, NULL)))  
        err_exit(err, "can't create thread 2");

    if ((err= pthread_join(tid1, &tret)))
        err_exit(err, "can't join with thread 1");
    printf("thread 1 exit code %ld\n", (long)tret);

    if ((err= pthread_join(tid2, &tret)))
        err_exit(err, "can't join with thread 2");
    printf("thread 2 exit code %ld\n", (long)tret);
    exit(0);
}

